pith. sign in
Pith Number

pith:CJGOBM33

pith:2018:CJGOBM33IIDPN7SDQ52AJ3YKDR
not attested not anchored not stored refs pending

A Petrov-Galerkin multilayer discretization to second order elliptic boundary value problems

Daniel Franco Coronil, Fr\'ed\'eric Hecht, Toms Chac\'on Rebollo

arxiv:1807.05796 v1 · 2018-07-16 · math.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CJGOBM33IIDPN7SDQ52AJ3YKDR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T00:10:42.529633Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

124ce0b37b4206f6fe43877404ef0a1c5d4ec7881b7f0b9471bbce8bebe9ddfa

Aliases

arxiv: 1807.05796 · arxiv_version: 1807.05796v1 · doi: 10.48550/arxiv.1807.05796 · pith_short_12: CJGOBM33IIDP · pith_short_16: CJGOBM33IIDPN7SD · pith_short_8: CJGOBM33
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CJGOBM33IIDPN7SDQ52AJ3YKDR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 124ce0b37b4206f6fe43877404ef0a1c5d4ec7881b7f0b9471bbce8bebe9ddfa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "502a98ccc3451956c1df40b23a4b048d07974c5a26a26f61b2dd1674c9a235e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-16T11:30:38Z",
    "title_canon_sha256": "bd78af6de71c77c7bcb314237fbaaf15380691e16c304200de504bca8c772516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05796",
    "kind": "arxiv",
    "version": 1
  }
}